Merge pull request #43 from klaxit/improve-documentation

Improve documentation for plugin install

README.md

@@ -20,7 +20,7 @@ This gradle plugin can be used with any Android project in Java or Kotlin.
 
 # 1 - Install the plugin
 ## Using the plugins DSL
-In your app level `build.gradle`:
+In your Module level `build.gradle`:
 
 ```gradle
 plugins {
@@ -29,11 +29,12 @@ plugins {
 ```
 ℹ️ If your project sync triggers the issue `Could not find com.android.tools.build:gradle:X.Y.Z`, please use the legacy plugin application below.
 ## Using legacy plugin application
-Add these lines in your app level `build.gradle`:
+Add these lines at the beginning of your Module level `build.gradle`:
 
 ```gradle
 buildscript {
     repositories {
+        google()
         maven {
             url "https://plugins.gradle.org/m2/"
         }